Insole



FIG. 1 is a left foot top view of an insole, showing my new design with the right foot being a mirror image thereof; and,

FIG. 2 is a left foot bottom view with the right foot being a mirror image thereof.

The broken line portions of FIGS. 1 and 2 are included to show stitching on the article. 

CLAIM The ornamental design for an insole, as shown and described. 